| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] some [noun] [prep] | 240 |
|
| 2 | [be] concerned [prep] [noun] [prep] | 132 |
|
| 3 | [be] concerned [prep] some [noun] | 12 |
|
| 4 | concerned [prep] some [noun] [prep] | 8 |
|
